Primo TDS Tester

HANNA Instruments Primo TDS Tester provides a fast and dependable way to measure the Total Dissolved Solids in water samples. Features a large, easy-to-read LCD and automatic temperature compensation to ensure your readings are consistent to the standard or reference temperature.

Easy to operate, just press the button on top of the meter once and it’s powered and ready for use. Press and hold the button for a few seconds and Primo automatically enters calibration mode. Simply open a sachet of the calibration solution, dip the probe and within seconds the meter calibrates itself!